15m 5el DX Contest Antenna 15m5DXSHD Super Heavy Duty For Extreme Weather

HF antenna for all weather conditions 15m 5el DX Contest Antenna 15m5DXSHD Super Heavy Duty intended for all locations including the seashore and islands. All parts marine grade Stainless Steel AISI 316L (A4). An extremely strong starting diameter of 35mm will ensure that the antenna will survive even at a windspeed of 250km/h.

Used materials will ensure longevity and maintenance free for a very long period.

Achieved super flat and low SWR. Less than 1.2 on any frequency from 21 to 21.45MHz. Excellent F/B will ensure minimal interference from any station outside of the main lobe.

This is the winning HF contest antenna.

 

15m 5el DX Contest Antenna 15m5DXSHD Super Heavy Duty Marine Grade Stainless Steel AISI 316L

 

What does 15m5DXSHD mean?

• 15m – 15m band, 21-21.45MHz with super low SWR on any frequency
• 5 – 5 elements – Super strong construction
• DX – Intended for DX-ing and contesting
• SHD – Super Heavy Duty Construction for wind

 

15m 5el DX Contest Antenna 15m5DXSHD Super Heavy Duty Starting Element Diameter 35mm

 

Electrical specifications of 15m 5el DX Contest Antenna 15m5DXSHD Super Heavy Duty

Frequency Range: 21 – 21.45 MHz
Free Space Forward Gain: 10.4 dBi
Front-to-Back Ratio: 28 dB
3 dB Horizontal Beamwidth: 52.6°
Polarization: Horizontal
Nominal Input Impedance: 50 Ohm
SWR Across Entire Band: < 1.2
Maximum Power Input: 2500 W (more by order)
Matching Method: Direct feed through 5kΩ common mode choke (current balun)
Connector: SO239 Teflon Silver plated or 7/16 DIN by request

 

Antenna 15m5DXSHD For Extreme Weather Conditions Balun and Dipole View

 

Mechanical specifications of 15m 5el DX Contest Antenna 15m5DXSHD Super Heavy Duty

Number of Elements: 5
Elements Diameter: Tapered elements 35mm to 8 mm
Longest Element: 7.8 m
Element Mounting Position: Below the boom
Balun and Connector: Included
Boom Length: 9.35 meter
Boom Size: 60 x 60 mm
Turning radius: 6.5m
Number of Boom Pieces: 5
Guy rope support: Yes, Included Stainless Steel AISI 316L rope 4 mm
Mounting Mast Diameter: 43 – 70 mm 1-11/16″ – 2-3/4″ OD (by order up to 700mm)
Clamp: 2 x M12 Stainless Steel AISI 316L (A4)
Survival Wind Speed: 250 km/h
Net Weight:  kg
Gross Weight:  kg
Transportation Length: 2m

 

15m 5el DX Contest Antenna 15m5DXSHD For Extreme Weather Conditions Marine Grade Stainless Steel Bracket AISI 316L

 

15m 5el DX Contest Antenna 15m5DXSHD For Extreme Weather Conditions Marine Grade Stainless Steel

 

Standard 15m HD antenna for windspeed up to 150km/h is here